From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Xiaolong Ye <xiaolong.ye@intel.com>,
dev@dpdk.org, Maxime Coquelin <maxime.coquelin@redhat.com>,
Tiwei Bie <tiwei.bie@intel.com>,
Zhihong Wang <zhihong.wang@intel.com>
Cc: xiao.w.wang@intel.com, Rami Rosen <roszenrami@gmail.com>,
Wang Haiyue <haiyue.wang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v8 2/2] examples/vdpa: introduce a new sample for vDPA
Date: Tue, 2 Oct 2018 15:03:39 +0100 [thread overview]
Message-ID: <cf4a3199-a4ea-69f1-7d1a-9015b278e381@intel.com> (raw)
In-Reply-To: <20180928214747.48938-3-xiaolong.ye@intel.com>
On 9/28/2018 10:47 PM, Xiaolong Ye wrote:
> The vdpa sample application creates vhost-user sockets by using the
> vDPA backend. vDPA stands for vhost Data Path Acceleration which utilizes
> virtio ring compatible devices to serve virtio driver directly to enable
> datapath acceleration. As vDPA driver can help to set up vhost datapath,
> this application doesn't need to launch dedicated worker threads for vhost
> enqueue/dequeue operations.
>
> Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
> Acked-by: Xiao Wang <xiao.w.wang@intel.com>
> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
<...>
> +static int
> +parse_args(int argc, char **argv)
> +{
> + static const char *short_option = "i";
> + static struct option long_option[] = {
> + {"iface", required_argument, NULL, 0},
> + {"interactive", no_argument, &interactive, 1},
> + {"client", no_argument, &client_mode, 1},
> + {NULL, 0, 0, 0},
> + };
> + int opt, idx;
> + char *prgname = argv[0];
> +
> + while ((opt = getopt_long(argc, argv, short_option, long_option, &idx))
> + != EOF) {
> + switch (opt) {
> + case 'i':
> + printf("Interactive-mode selected\n");
> + interactive = 1;
> + break;
> + /* long options */
> + case 0:
> + if (strncmp(long_option[idx].name, "iface",
> + MAX_PATH_LEN) == 0) {
> + strncpy(iface, optarg, MAX_PATH_LEN);
Giving compiler warning [1], rte_strscpy() is safer to use.
[1]
In function ‘parse_args’,
inlined from ‘main’ at .../examples/vdpa/main.c:419:8:
.../examples/vdpa/main.c:76:5: error: ‘strncpy’ specified bound 128 equals
destination size [-Werror=stringop-truncation]
strncpy(iface, optarg, MAX_PATH_LEN);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
next prev parent reply other threads:[~2018-10-02 14:03 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-20 22:28 [dpdk-dev] [PATCH v3 0/2] introduce vdpa sample Xiaolong Ye
2018-09-20 22:28 ` [dpdk-dev] [PATCH v3 1/2] vhost: introduce API to get vDPA device number Xiaolong Ye
2018-09-20 22:28 ` [dpdk-dev] [PATCH v3 2/2] examples/vdpa: introduce a new sample for vDPA Xiaolong Ye
2018-09-21 5:07 ` Wang, Xiao W
2018-09-22 11:04 ` Ye Xiaolong
2018-09-24 8:42 ` [dpdk-dev] [PATCH v4 0/2] introduce vdpa sample Xiaolong Ye
2018-09-24 8:42 ` [dpdk-dev] [PATCH v4 1/2] vhost: introduce API to get vDPA device number Xiaolong Ye
2018-09-24 8:42 ` [dpdk-dev] [PATCH v4 2/2] examples/vdpa: introduce a new sample for vDPA Xiaolong Ye
2018-09-24 4:12 ` Wang, Xiao W
2018-09-24 21:30 ` Ye Xiaolong
2018-09-25 12:07 ` [dpdk-dev] [PATCH v5 0/2] introduce vdpa sample Xiaolong Ye
2018-09-25 12:07 ` [dpdk-dev] [PATCH v5 1/2] vhost: introduce API to get vDPA device number Xiaolong Ye
2018-09-25 12:07 ` [dpdk-dev] [PATCH v5 2/2] examples/vdpa: introduce a new sample for vDPA Xiaolong Ye
2018-09-25 8:32 ` Wang, Xiao W
2018-09-26 9:06 ` [dpdk-dev] [PATCH v6 0/2] introduce vdpa sample Xiaolong Ye
2018-09-26 3:15 ` Wang, Xiao W
2018-09-26 9:06 ` [dpdk-dev] [PATCH v6 1/2] vhost: introduce API to get vDPA device number Xiaolong Ye
2018-09-26 9:06 ` [dpdk-dev] [PATCH v6 2/2] examples/vdpa: introduce a new sample for vDPA Xiaolong Ye
2018-09-27 16:37 ` Maxime Coquelin
2018-09-28 7:32 ` Ye Xiaolong
2018-09-28 11:23 ` [dpdk-dev] [PATCH v7 0/2] introduce vdpa sample Xiaolong Ye
2018-09-28 11:23 ` [dpdk-dev] [PATCH v7 1/2] vhost: introduce API to get vDPA device number Xiaolong Ye
2018-09-28 11:23 ` [dpdk-dev] [PATCH v7 2/2] examples/vdpa: introduce a new sample for vDPA Xiaolong Ye
2018-09-28 7:31 ` Maxime Coquelin
2018-09-28 14:33 ` Ye Xiaolong
2018-09-28 7:49 ` Maxime Coquelin
2018-09-28 15:17 ` Ye Xiaolong
2018-09-28 8:31 ` Maxime Coquelin
2018-09-28 17:37 ` Ye Xiaolong
2018-09-28 21:47 ` [dpdk-dev] [PATCH v8 0/2] introduce vdpa sample Xiaolong Ye
2018-09-28 21:47 ` [dpdk-dev] [PATCH v8 1/2] vhost: introduce API to get vDPA device number Xiaolong Ye
2018-10-02 13:19 ` Ferruh Yigit
2018-10-03 5:53 ` Ye Xiaolong
2018-09-28 21:47 ` [dpdk-dev] [PATCH v8 2/2] examples/vdpa: introduce a new sample for vDPA Xiaolong Ye
2018-10-02 14:03 ` Ferruh Yigit [this message]
2018-10-03 6:04 ` Ye Xiaolong
2018-10-03 7:48 ` Ferruh Yigit
2019-01-17 14:37 ` Shahaf Shuler
2019-01-17 15:13 ` Ye Xiaolong
2019-01-17 15:17 ` Shahaf Shuler
2018-10-02 12:51 ` [dpdk-dev] [PATCH v8 0/2] introduce vdpa sample Maxime Coquelin
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